13913344 has 72 divisors (see below), whose sum is σ = 30905280. Its totient is φ = 6217728.

The previous prime is 13913323. The next prime is 13913357. The reversal of 13913344 is 44331931.

It is a super-2 number, since 2×13913344² = 387162282524672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100027 + ... + 100165.

It is an arithmetic number, because the mean of its divisors is an integer number (429240).

Almost surely, 2^13913344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13913344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15452640).

13913344 is an abundant number, since it is smaller than the sum of its proper divisors (16991936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13913344 is a wasteful number, since it uses less digits than its factorization.

13913344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 181 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 13913344 is about 3730.0595169514. The cubic root of 13913344 is about 240.5159271555.

The spelling of 13913344 in words is "thirteen million, nine hundred thirteen thousand, three hundred forty-four".